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Analog Electronics

Analog Electronics
Which of the following is trivalent impurity ?

None of these
 Antimony
 Boron
 Silicon

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Analog Electronics
The transit time of the electric current carriers through the channel of a JFET decides it’s ________________ characteristics.

 source and drain.
 gate.
 source.
 drain.

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Analog Electronics
How will electrons flow through a p-channel JFET?

  From drain to gate.
  From source to drain.
  From source to gate.
  From drain to source.

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Analog Electronics
The encapsulation of transistor is necessary for

Mechanical ruggedness
Avoiding loss of free electrons
Preventing radio interference
Preventing photo-emission effects

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Analog Electronics
The output voltage of an emitter follower is across the

 emitter diode.
 emitter diode and external AC emitter resistance.
  load resistor.
 DC collector resistor.

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Analog Electronics
If the base resistor is very small, the transistor will operate in the

 cutoff region.
All of these
 active region.
  saturation region.

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